Feature: 1. 6 in 1 Multifunctional: This professional air quality monitor measures PM2.5, PM10, particle numbers, temperature and humidity. 2. High Definition Screen: Bright color high definition LCD 2.8 inch digital display with wider color backlight gamut, better brightness, and higher pixels. 3. Stable Performance: Air quality monitor adopts imported electronic sensors and imported intelligent microprocessor, with high accuracy measurement and stable performance characteristics. 4. Compact and Portable: Air quality tester is small and portable, easy to carry, which does not take up too much space, and can be installed at home. 5. Wide Applications: 6 in 1 air quality monitor is suitable for offices, homes, gyms and other situations with a wide range of applications. Specification: Item Type: Air Quality Monitor Material: ABS Model: HT 9600 PM2.5 Sensor Principle: Photoelectric type Sampling Method: Pump suction type Light Source: Laser diode Particle Size Channel: 0.3μm 2.5μm 10μm Flow Rate: 1L per min Measuring Range: 0 to 1000μg per m3 Resolution: 1μg Detection Method: Manual Sampling Time: 50s Typical Accuracy: <20% Concentration Unit: Pcs./L, μg/m3 Temperature Range: 0 to 50℃ Typical Accuracy: ±1℃ Humidity Range: 0 to 99% RH Typical Accuracy: ±2% RH Working Temperature: -10 to 50℃ Working Humidity: 10 to 90% RH Stored Data: 1999 sets Automatic Shutdown: 2 minutes (no key operation) Power Supply: 1 x 3.7V18500 (1400mAH) (shipped with built in battery) Starting Current: 120mA Working Current: 280mA Display Mode: LCD numerical display, color backlight Screen Size: 2.8 inches Screen Resolution: 320 x 240. Package List: 1 x Air Quality Monitor1 x Storage Box1 x Instruction Manual1 x Plug1 x USB Cable Note: This product uses imported electronic sensors and microprocessors areaccuracy electronic devices, please keep the product away from water, fire, combustible gasoline, strong electromagnetic interference and other places to prevent the instrument from being affected or damaged.